C12121223131323223313132322331323132313231333132313133313132313131   >>    C1212122313132322331313232233132313231323133313231313331313231313   <<    C12121223131323223313132322331323132313231333132313133313132313133   >>      C12121223131323223313132322331323132313231333132313133313132313132   >>